The Helios MTVZ 75/80 is a supply air valve suitable for installation in various room types, especially where the use of non-combustible ventilation components is required. It supports a wide range of airflow velocities from low to high, ensuring versatile performance. Designed for quiet operation, this valve provides effective and unobtrusive air distribution, making it ideal for residential, commercial, and institutional environments. The MTVZ 75/80 offers a safe and efficient solution for modern ventilation systems requiring minimal noise and reliable airflow control.